Product Hierarchy
Product Hierarchy

83265 - Mil-Spec Coax, 50 Ohm, RG-178, 30 AWG Str SCCS, 95% SC Braid, FEP Jkt, Commercial Non-QPL

Mil-Spec Coax, 50 Ohm, RG-178, 30 AWG (7x38) Silvered Copper Covered Steel Conductor, PTFE Insulation, 95% Silvered Copper Braid Shield, FEP Jacket, Commercial, non-QPL

Product Overview

Suitable Applications: Aerospace wireless communication

Construction Details

RG Type: 178
SizeStrandingNom. DiameterMaterial
30 AWG7x380.012 inSCCS - Silvered Copper Covered Steel
MaterialNom. Insulation Diameter
PTFE - Polytetrafluoroethylene0.033 in (0.84 mm)
Outer Shield
LayerOuter Shield TypeMaterialCoverage
1BraidSilvered Copper (SC)95%
Outer Jacket
MaterialNom. Diameter
FEP - Fluorinated Ethylene Propylene0.071 in (1.8 mm)
Overall Cable Diameter (Nominal): 0.071 in (1.8 mm)

Electrical Characteristics

FrequencyMax. VSWR
50 MHz - 1000 MHzper M17/93-RG178
FrequencyNom. Attenuation
1 MHz2.6 dB/100ft
10 MHz5.6 dB/100ft
50 MHz10.5 dB/100ft
100 MHz14.0 dB/100ft
200 MHz19.0 dB/100ft
400 MHz28.0 dB/100ft
700 MHz37.0 dB/100ft
900 MHz42.5 dB/100ft
1000 MHz46.0 dB/100ft
Power Rating
FrequencyMax. Power Rating
50 MHz380 W
100 MHz253 W
200 MHz170 W
400 MHz113 W
700 MHz81 W
900 MHz70 W
1,000 MHz66 W
Nom. Conductor DCRNom. Outer Shield DCRNom. Capacitance Cond-to-ShieldNom. Characteristic ImpedanceNom. Velocity of Prop.
232 Ohm/1000ft (761 Ohm/km)14.6 Ohm/1000ft (47.9 Ohm/km)29 pF/ft (95 pF/m)50 Ohm70%
UL Voltage RatingVoltage Rating
30 V (UL AWM 1637)750 V (Mil-Spec)

Mechanical Characteristics

UL TemperatureOperating
90°C (UL AWM 1637)-70°C to +200°C
Bend Radius
Installation Min.
0.7 in
Max. Pull Tension: 12 lbs (5.4 kg)
Bulk Cable Weight: 5 lbs/1000ft

Standards and Compliance

Environmental Suitability: Indoor/Outdoor, Indoor, Outdoor, Aerial - When supported by messenger wire
Sustainability: CA Prop 65
AWM Compliance: AWM 1637
Military Compliance: Commercial, non-QPL product (M17/93-RG178)
European Directive Compliance: EU CE Mark, EU Directive 2015/863/EU (RoHS 2 amendment), REACH, EU Directive 2011/65/EU (RoHS 2), EU Directive 2012/19/EU (WEEE)
APAC Compliance: China RoHS II (GB/T 26572-2011)


Update and Revision: Revision Number: 0.341 Revision Date: 04-08-2022

Part Numbers

Item #ColorPutup TypeLengthUPC
83265 009100WhiteReel100 ft612825203698
83265 009500WhiteReel500 ft612825203711
83265 0091000WhiteReel1,000 ft612825203704
Date: 2005-04-01
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